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1988 Chevrolet C1500 Cheyenne, FP Waveform
Posted to the Waveform Library on 6/19/2003

8-vane fuel pump in bad condition. 11.2ms between rotations = 5350rpm. 4.3 amp current draw. 1 vane appears to be in non working order. Over all, pump appears weak. Fuel pressure test has not been run at this time due to lack of specific adapter. O2 readings s...

 

car Vehicle Data

1988 Chevrolet C1500 Cheyenne 5.7L

Engine5.7 L / 8 cyl / GAS
Trans4-speed AutomaticTransmission
DeliveryFuel Injection
SubsystemFuel Supply
Component
ConditionKnown Bad

car Vehicle Data

1988 Chevrolet C1500 Cheyenne 5.7L

Engine5.7 L / 8 cyl / GAS
Trans4-speed AutomaticTransmission
DeliveryFuel Injection
SubsystemFuel Supply
Component
ConditionKnown Bad